package com.shen.springcloud.service.impl;

import com.shen.springcloud.service.IMessageProvider;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;
import java.util.UUID;


/**
 * @program: SpringCloud
 * @description:
 * @author: Mr.shen
 * @create: 2020-07-29 22:16
 * 定义信息的推送管道
 **/
@EnableBinding(Source.class)
public class MessageProviderImpl implements IMessageProvider {
    /**
     * 信息发送管道
     */
    @Resource
    private MessageChannel output;
    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("*****serial:" + serial);
        return null;
    }
}
